51 Cyg
Physical Properties
Magnitude
5.39
Spectral Type
B2V
Star Color
Blue-white
(B-V -0.10)
Position & Identifiers
RA
20h 42m 12.6s
Dec
+50° 20' 24.0"
Constellation
Cygnus
(Cyg)
HR
7929
HIP
102177
Flamsteed
51 Cyg
Double Cat
14189
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Size Comparison
Querying VizieR for stellar data…
Compare Stars
Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
Loading HR diagram…
Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Fusion
Stellar Notes
AB fixed.
Survey Image
Loading survey image…